import java.util.Scanner;

/**
 * @author lijunhao
 * 2023/7/11 zuoye
 * @description TODO
 */
public class If {
    public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
        System.out.println("请输入第一个数字：");
    int i = sc.nextInt();
        System.out.println("请输入第二个数字：");
    int j = sc.nextInt();
        System.out.println("请输入运算符号：");
    char ch = sc.next().charAt(0);

        if(ch=='+'){
        System.out.println("结果是"+(i+j));
    }


}
}
